Artificial Key 23 



72. Head black; breast with rose spot. Rose-breasted 



Grosbeak, Male. (p. 99.) 



Head white, more or less suffused with light brown; 

 under parts pure white, or at most tinged with brown. 

 Siiowflake, Male. (p. 114.) 



73. Wings very long; bird swallow-like. Go to 74. 



Wings of moderate length; bird not swallow-like; up- 

 per parts a blackish brown. Kingbird, Either Sex. 

 (P- I39-) 



74. Under parts entirely white; upper parts really a dark blue- 



green. Tree Swallow, Either Sex. (p. 91.) 

 Under parts white, save that the breast is crossed by a 

 dark brown band; upper parts really a sooty brown. 

 Bank Swallow, Either Sex. (p. 90.) 



75. Bird distinctly smaller than a sparrow. American 



Redstart, Male. (p. 65.) 

 Bird distinctly larger than a sparrow. Go to 76. 



76. Throat black; remaining under parts orange. Balti- 



more Oriole, Male. (p. 124.) 



Throat and forebreast black; remaining under parts white 

 in the middle and chestnut at the sides. Townee, 

 Male. (p. 100.) 



77. Body red. Scarlet Tanager, Male in Summer Plu- 



mage, (p. 95.) 

 Body yellow. Goldfinch, Male in Summer Plumage. 



(p. 115.) 

 Body gray; wings really a blackish brown. Northern 



Shrike, Either Sex. (p. 88.) 



